VSSI
| Acronym | Definition |
|---|---|
| VSSI | Verizon Select Services Inc. |
| VSSI | Virginia Science Standards Institute (Virginia Department of Education, Office of Standards, Curriculum and Instruction) |
| VSSI | Valbruna Slater Stainless, Inc. (Indiana) |
| VSSI | Virtual Software Systems, Inc. (Gainesville, GA) |
| VSSI | Visser Software Services, Inc. (New York, NY) |
| VSSI | Venezuelan Social Security Institute |